○ https://python.plainenglish.io/how-build-url-shortener-using-python-be1580ce2a57  
● https://tinyurl.com/yy4ul7ch  


> python -m pip install --upgrade pip  
> pip install [pyshorteners](https://pypi.org/project/pyshorteners/)  
> pip install [pyperclip](https://pypi.org/project/pyperclip/)